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Questions about different HD configurations

post #1 of 7
Thread Starter 
I was wondering if I could get some opinions on hard-drive configurations? I am wondering what I should do for my new computer. I am thinking of max performance, but not at a high cost. I have read the threads about read-write speed and have read some conflicting information that has me wondering. I don't want to spend much more than $200 for storage and I would like to stay with WD.

Here are my major options I am looking at (basically...what is fastest):

1) SCSI is really too expensive for the size of drive and controller
2) Single large HD SATA2 (~150 to 250 GB)
3) Double HD SATA2 (~120 GB x 2) going though Motherboard - Intel Southbridge ICH7R (Raid 0)
4) Double HD SATA2 (~120 GB x 2) going though third party control card (Raid 0)

What about my HD sizing and partitioning? I plan on mainly using it for gaming, music, videos, with some limited other application specific programs.

Finally...does anyone recommend running RAID (RAID#?) for backup, or do you just periodically backup to DVD?

Thanks,

Erik
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post #2 of 7
Running RAID-1 only protects you against a physical problem (i.e., a drive dies on you), so if you screw something up, it will screw it up on both drives. I have a server that I do backups to.

As for your options, I would go with 3. Buying another RAID controler is costly and is slowed down by the PCI bus. The onboard controler should work fine.
post #3 of 7
If you are looking for pure performance with a limited hard drive space go with the WD Raptor, 10K RPM drive with 74 GB of storage. It is the fastest in the world. It is on newegg.com for $136.

If you need more space I would suggest a WD SATA XXGB 7200 RPM drive and then get two of them and RAID0. RAID is not a backup technology. I sort of combines two HDs into one. So that if you have 2 80GB harddrives in RAID0, you OS will read 1 harddrive with 160GB. This configuration almost halfs you application load time, ect.

The absolute fasted configuration is dual Raptors in RAID 0. That would cost about $270 for 150GB of space. In my opinion it is well worth it, but some people don't like the high cost per GB.
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post #4 of 7
Quote:
Originally Posted by pauldovi
If you are looking for pure performance with a limited hard drive space go with the WD Raptor, 10K RPM drive with 74 GB of storage. It is the fastest in the world. It is on newegg.com for $136.

If you need more space I would suggest a WD SATA XXGB 7200 RPM drive and then get two of them and RAID0. RAID is not a backup technology. I sort of combines two HDs into one. So that if you have 2 80GB harddrives in RAID0, you OS will read 1 harddrive with 160GB. This configuration almost halfs you application load time, ect.

The absolute fasted configuration is dual Raptors in RAID 0. That would cost about $270 for 150GB of space. In my opinion it is well worth it, but some people don't like the high cost per GB.
Most of what you said is right, however, the Raptors are not the "fastest in the world". They have the faster access times of any SATA hard drive, but SCSI drives are much faster.

Also, RAID IS a backup technology. The R stands for "Redundant". RAID-0 is not, technically, RAID. True RAID (RAID 1 or RAID 5) provides redundancy incase of drive failure.
post #5 of 7
Quote:
Originally Posted by SoaDMTGguy
Most of what you said is right, however, the Raptors are not the "fastest in the world". They have the faster access times of any SATA hard drive, but SCSI drives are much faster.

Also, RAID IS a backup technology. The R stands for "Redundant". RAID-0 is not, technically, RAID. True RAID (RAID 1 or RAID 5) provides redundancy incase of drive failure.
Forgive me on not being specific: I was refering to SATA drives because he ruled out the possibility of SCSI. I am mistaken on the RAID 1-5 as well. Since he was refering to performance, I assumed he was taking about RAID 0.
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post #6 of 7
Thread Starter 
Sounds like RAID 0+1 would be the best of both worlds for redundancy and boosted performance, but I don't want to buy 4 HDs. Yes, I don't think that I want to spend the money for the SCSI drives. Cost per GB is very high over about 40GB. I am thinking that RAID 0 with two SATA2 drives may be the best for me. I can just backup most things with a DVD-R/W.

Are the SATA1 Raptors at 74GB in RAID 0 faster still than a couple of WD Caviar 120s that are SATA2? 148GBs is still pretty good. Shoot...my current system only has 20GBs and that is almost enough. I just burn CDs for the pictures and stuff. 250GBs+ would be HUGE for me.

-Erik
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post #7 of 7
For what you're going to use it for (casual use), I would just spend your money on a single 7200rpm 400GB-500GB drive and an external USB/firewire drive for backup. The newest 7200rpms are as fast or faster than a Raptor 74gb for most apps. RAID-0 is also overrated. It only helps in specific situations and reduces reliability.
     
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